course description and maps

There will be a 10k loop and a 25k loop.

50k runners will run the 25k loop twice.

50 mile runners will run a 5k loop, and then do the 25k loop 3 times.

The trails at Yankee Springs are quite hilly and have their share of rocks and roots to dance around. The 10k course has 978′ of elevation gain, and the 25k course has 1,388′ of elevation gain. We do not know what Michigan weather will bring. There will probably be snow. You don’t have to worry about a lot of mud because these trails are quite sandy and drain well. There are no water crossings on our courses.

Depending on the weather there may be a variation on the course. If the snow conditions are good for cross country skiing, the DNR asks us not to use the Hall Lake Trail, which is groomed for skiing. In that case we use a section of dirt road at the beginning of the course instead of the Hall Lake Trail. In any case, the course will be marked accordingly, and we’ll announce the change before the race.


Click here for a park map with the courses marked.

Click here for a GPS map and elevation profile of the 10k course.

Click here for a GPS map and elevation profile of the 25k course.

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